CAT 2025 Time, Speed and Distance Question (Hard)

Question

Rita and Sneha can row a boat at 5 km h and 6 km h in still water, respectively. In a river flowing with a constant velocity, Sneha takes 48 minutes more to row 14 km upstream than to row the same distance downstream. If Rita starts from a certain location in the river, and returns downstream to the

Optima Learn · Accepted Answer

Let the river speed be v km h. For Sneha still-water speed 6 km h Upstream speed 6-v , downstream speed 6 v . Given 6-v - 6 v 48minutes 0.8 hours. So, 36-v 2 0.8 Rightarrow 36-v 2 0.8 28v 0.8 36-v 2 28.8-0.8v 2 Rightarrow 0.8v 2 28v-28.8 0 Multiply by 5 4v 2 140v-144 0 v 2 35v-36 0 We get v 1 Thus,

CAT 2025 Time, Speed and Distance — Previous Year Question

CAT 2025

Quantitative

Time, Speed and Distance

Hard

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